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The aims of this study is to evaluate the effectiveness of non-pharmacological interventions program in preventing progression from mild cognitive impairment to dementia in patients with mild cognitive impairment in the short term, at Nhân dân Gia Định Hospital, Hồ Chí Minh City.
A non-pharmacological interventions program in dementia prevention is highly promising because: (i) the results of using drugs (e.g. cholinesterase inhibitors) have not been successful, so non-pharmacological interventions may be a promising and risk-free alternative; (ii) people with mild cognitive impairment still maintain memory capacity that allows them to learn and apply new information and skills; (iii) interventions at an early stage of the cognitive decline process will bring maximum benefits; (iv) there is evidence that cognitive training exercises have a positive effect on cognitive decline and are one of protective factors against dementia.
Although studies on non-pharmacological prevention programs with cognitive training exercises as a key component are not uncommon, we found that there are still some unclear points. First and foremost, there has been no cognitive training exercises in Vietnamese that has been studied. Most use foreign language communication, making language-related stimuli inapplicable in Vietnam. Next, the exercise design either focuses on improving thinking and flexibility, which is more suitable for younger people, or only prioritizes impacting certain cognitive domains. Finally, many current programs are integrated as technology applications on phones, which, although convenient, are not really user-friendly for the elderly in Vietnam due to habits, operating system response delays, and equipment costs.
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| Label | Type | Description | Intervention Names |
|---|---|---|---|
| Home-based cognitive training exercises | Active Comparator | The cognitive training exercises program includes a total of 19 exercises and activities. The 19 exercises are divided into 8 groups: (1) warm up and cool down (relaxation exercise), (2) episodic memory, (3) digit span and calculation, (4) language, (5) Linking Letters & Numbers, (6) Imagery, (7) Visuoconstructional skills, (8) linking ADL/IADL tasks. Subjects are provided with 19 exercises and instructed to perform them at home. Home-based exercises will be assessed weekly. Subjects are provided with a logbook to track their progress with the home exercises and were given the opportunity to provide feedback, ask questions, and receive support for any difficulties encountered during the process. All cognitive training exercises are based on the Technical Procedure Instructions issued by the Vietnamese Ministry of Health. |
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| Supervised cognitive training exercises | Experimental | The cognitive training exercises program includes a total of 19 exercises and activities. The 19 exercises are divided into 8 groups: (1) warm up and cool down (relaxation exercise), (2) episodic memory, (3) digit span and calculation, (4) language, (5) Linking Letters & Numbers, (6) Imagery, (7) Visuoconstructional skills, (8) linking ADL/IADL tasks. The subjects are given exercises at the hospital under the supervision of physiotherpist/ physiatrist, and are also instructed to do the exercises at home. Home-based exercises will be assessed weekly. Subjects are provided with a logbook to track their progress with the home exercises and were given the opportunity to provide feedback, ask questions, and receive support for any difficulties encountered during the process. All cognitive training exercises are based on the Technical Procedure Instructions issued by the Vietnamese Ministry of Health. |
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| Name | Type | Description | Arm Group Labels | Other Names |
|---|---|---|---|---|
| Home-based cognitive training exercises | Other | The subjects received (i) education on lifestyle modification, (ii) home-based cognitive training exercises with physiotherapist/ physiatrist contact when needed and (iii) a physical training exercises conducted at hospital under the supervision of physiotherapist/ physiatrist (3 weekly session for 12 weeks). This arm has a duration of 12 weeks. |
| Measure | Description | Time Frame |
|---|---|---|
| Effectiveness of Intervention Program | Evaluating the effectiveness of preventing progression from mild cognitive impairment to dementia using the Montreal Cognitive Assessment (The MoCA Test) in patients with mild cognitive impairment in the short term. Higher scores mean a better outcome. The following result ranges may indicate cognitive impairment: 18-25 points: Mild cognitive impairment. 10-17 points: Moderate cognitive impairment. Fewer than 10 points: Severe cognitive impairment. | Measured at month 3 and 6 after randomisation |
| Measure | Description | Time Frame |
|---|---|---|
| Change in Activities of Daily Living | Evaluating improvement using The Lawton Instrumental Activities of Daily Living Scale (IADL). Higher scores mean a better outcome. | Baseline, Week12, Week24 |
| Change in physical fitness |
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Inclusion Criteria:
Subjects diagnosed with mild cognitive impairment:
Ensure transportation from living location to hospital.
Have at least one relative or caregiver who can supervise the subject's daily activities.
Stable chronic underlying conditions (diabetes, hypertension).
Consent to participate in the study.
Exclusion Criteria:
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| Name | Role | Phone | Extension | |
|---|---|---|---|---|
| Khai Q. Nguyen, M.D | Contact | +84704674558 | nguyenquangkhai2209@gmail.com | |
| Kien G. To, Assoc. Prof | Contact | +84907857370 | togiakien@ump.edu.vn |
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| Facility | Status | City | State | ZIP | Country | Contacts |
|---|---|---|---|---|---|---|
| Nhân dân Gia Định Hospital | Recruiting | Ho Chi Minh City | Vietnam |
Data obtained through this study may be provided to qualified researchers with academic interest in dementia prevention. Data or samples shared will be coded, with no PHI included. Approval of the request and execution of all applicable agreements (i.e. a material transfer agreement) are prerequisites to the sharing of data with the requesting party.
Data requests can be submitted starting 9 months after article publication and the data will be made accessible for up to 24 months. Extensions will be considered on a case-by-case basis
Access to trial IPD can be requested by qualified researchers engaging in independent scientific research, and will be provided following review and approval of a research proposal and Statistical Analysis Plan (SAP) and execution of a Data Sharing Agreement (DSA).
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| Supervised cognitive training exercises | Other | The subjects received (i) education on lifestyle modification, (ii) supervised cognitive training exercises at hospital (1 weekly session for 12 weeks) and (iii) a physical training exercises conducted in a hospital under the supervision of physiotherapist/ physiatrist (3 weekly session for 12 weeks). This arm has a duration of 12 weeks. |
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Evaluating improvement using The Senior Fitness Test Kit (Chair stand test, Arm curl test, Step in place test, Up and go test). Higher scores mean a better outcome (except Up and go test).
| Baseline, Week12, Week24 |
| Change in mental health | Evaluating improvement using Geriatric Depression Scale-15 (GDS15). Higher scores mean a worse outcome. | Baseline, Week12, Week24 |
| Patient Adherance | Adherence is assessed considering the number of individuals who have accepted to participate in the study relative to the number of participants who are recruited. Low < 80%, moderate 80-90%, high > 90% | Week12 |
| Patient Attendance | Attendance rate is calculated as a percentage of the number of exercise sessions completed by participants by the full amount of sessions they are expected to perform throughout the study. Not achieved < 90% | Week12 |
| ID | Term |
|---|---|
| D060825 | Cognitive Dysfunction |
| ID | Term |
|---|---|
| D003072 | Cognition Disorders |
| D019965 | Neurocognitive Disorders |
| D001523 | Mental Disorders |
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